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. Author manuscript; available in PMC: 2012 Feb 1.
Published in final edited form as: Ultrasonics. 2010 Aug 5;51(2):157–164. doi: 10.1016/j.ultras.2010.07.005

Table 4.

The regression between elasticity μ1 and concentration C for model μ1 = AC + B.

A B R2
Surface Wave Method 0.717 −2.192 0.9884
Indentation, R = 2.4 mm 0.664 −1.818 0.9904
Indentation, R = 4.1 mm 0.648 −1.690 0.9933